Home / 18,436,931.73-25,442,961.78-10,176,991.85

Finding the Fourth Proportional to 18,436,931.73, 25,442,961.78 and 10,176,991.85

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Solution

The fourth proportional to 18,436,931.73, 25,442,961.78 and 10,176,991.85 is: 14,044,246.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436,931.73 : 25,442,961.78 = 10,176,991.85 : x
  2. Step 2: Convert to fraction form
    18,436,931.73/25,442,961.78 = 10,176,991.85/x
  3. Step 3: Cross multiply
    18,436,931.73x = 25,442,961.78 × 10,176,991.85
  4. Step 4: Simplify right side
    18,436,931.73x = 258,932,814,547,706.72
  5. Step 5: Solve for x
    x = 258,932,814,547,706.72/18,436,931.73
  6. Step 6: Final answer
    x = 14,044,246.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.